. Bulletin. Natural history; Natural history. Fig. 43.—Ictahirus mclas Fig. 44.—Ictalurus Fig. 45.—Ictalitnis punctattts. Fig. 46.—Noturus flavus. Distribution of Champaign County fishes as determined by three surveys at approximately 30- year intervals. Open triangle: collecting station of Forbes & Richardson; indicated species not collected. Solid triangle: collecting station of Forbes & Richardson; indicated species collected. Small open circle alone: collecting station of Thompson & Hunt and also, if extant in 1959, col- lecting station of Larimore & Smith; indica
. Bulletin. Natural history; Natural history. Fig. 43.—Ictahirus mclas Fig. 44.—Ictalurus Fig. 45.—Ictalitnis punctattts. Fig. 46.—Noturus flavus. Distribution of Champaign County fishes as determined by three surveys at approximately 30- year intervals. Open triangle: collecting station of Forbes & Richardson; indicated species not collected. Solid triangle: collecting station of Forbes & Richardson; indicated species collected. Small open circle alone: collecting station of Thompson & Hunt and also, if extant in 1959, col- lecting station of Larimore & Smith; indicated species not collected at this station. Large open circle enclosing small open circle or solid circle: collecting station at which Thompson & Hunt took indicated species. Solid circle alone or within large circle: collecting station at which Larimore k Smith took indi- cated species. Most of these stations had previously been sampled by Thompson & Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory